He said: "For me, to spend three years working with Jose was the best possible start.

"He has supported me for the last month and wondered when I would arrive.

"I have been in contact with him 10 or 20 times and now that I have ­arrived, he will be ­happy."

Karaka added: "I'm Karanka - there is only one Jose Mourinho and he is the best. My character is very ­different. I am calm but the most important thing is to be a leader in the dressing room. The ­players have to believe in me."